64results about How to "Avoid restrictions" patented technology

This application relates to an integrated MEMS two-dimensional scanning detection system, a capacitance angle measurement method, and an apparatus. The integrated MEMS two-dimensional scanning detection system includes: a laser detection component and a magnetic circuit component disposed below the laser detection component. The laser detection component is an integral structure formed by connecting a scanning lens to a riveting area via a Y-shaped two-dimensional rotation axis. The magnetic circuit component is a hollow structure enclosed by two types of magnetic circuit modules, which are used to generate magnetic fields in different directional dimensions. The riveting area of ​​the laser detection component is connected to the magnetic circuit modules in the magnetic circuit component. The scanning lens is located in the cavity enclosed by multiple magnetic circuit modules, and under the drive of magnetic fields in different directional dimensions, the Y-shaped two-dimensional rotation axis drives the scanning lens to rotate in the corresponding directional dimension within the cavity. This integrated MEMS two-dimensional scanning detection system can reduce the overall size of the electromagnetic scanning mirror.

The utility model discloses a kind of carbon black granule screening machines, including frame and screening mechanism, frame: its inside front and back both sides are provided with mounting bracket, screening mechanism: it includes sieve tray, screen, adjusting assembly and connecting assembly, the sieve tray is rotationally connected in the inside of mounting bracket, four sieve trays are staggered distribution up and down, the side of sieve tray far from the middle of frame is discharge end, screen is all set in the inside of sieve tray, adjusting assembly is used for the angle adjustment of sieve tray, connecting assembly is used for the connection of frame and mounting bracket, the carbon black granule screening machine, with multiple-stage screening device, by setting screen of different aperture to carry out multiple-stage screening work, the discharge end of screen is located equipment's front and back both sides respectively, avoid the restriction of space, it is convenient to erect external conveying device, angle adjusting device is also provided, the inclination of different screen can be automatically adjusted, can guarantee screening quality without changing amplitude.

This invention discloses a data-driven method for monitoring marine phytoplankton abundance using underwater acoustic networks. The method includes: constructing and training a multi-level spatiotemporal feature ensemble model based on historical marine phytoplankton abundance and corresponding marine environmental data to determine the optimal spatial location and monitoring time window of the underwater acoustic network nodes; constructing a teacher model for channel prediction, including a multi-layer cascaded structure and residual modules, and compressing the teacher model into a student model using spatiotemporal knowledge distillation; training the student model to achieve real-time channel state prediction at the underwater acoustic network nodes; matching suitable underwater acoustic communication devices and seasonal optimal routing strategies to each underwater acoustic network node based on the optimal spatial location and real-time predicted channel state, and performing adaptive modulation and coding at the link level, while simultaneously monitoring phytoplankton abundance using the underwater acoustic network. This invention can improve data throughput and prediction accuracy under strict energy consumption constraints.

This invention relates to the field of water remediation technology, specifically to a piezoelectric catalytic component and a groundwater remediation system. The piezoelectric catalytic component includes: an upper part of a piezoelectric catalytic body with a spiral channel communicating with an inlet, and a lower part with a cavity; the cross-sectional diameter of the spiral channel gradually decreases from the inlet to the end; a column is provided in the cavity, and a piezoelectric film is spirally wound around the column; the end of the spiral channel is close to the piezoelectric film at the upper end of the column; the piezoelectric film receives water containing organic pollutants flowing in from the spiral channel and catalytically degrades the organic pollutants through piezoelectric conversion; this application combines the static pressure of the water flow, accelerates the water flow through the spiral channel, the flow velocity gradually increases from top to bottom, the hydraulic impact load is correspondingly enhanced, the mechanical force flowing through the piezoelectric film is increased, low-frequency vibration excites the piezoelectric catalytic effect, maximizes the catalytic degradation capacity of the piezoelectric material, and thus improves the catalytic degradation efficiency of the piezoelectric material.

This invention discloses a light-controlled molecular heterogeneous thermal storage device, belonging to the field of solar energy storage technology. The device includes a detachably connected first and second shell, both with mirrored inner surfaces. The first shell houses a light source assembly containing a xenon lamp and a first filter; the second shell has a magnetically attachable second filter on its top and multiple circular flow heat exchange channels running through its sides. A rotatable heat storage layer is fitted around each channel, and the interior is filled with a molecular light-switching material. A liquid metal thermally conductive layer is filled between the heat storage layer and the heat exchange channels. This invention achieves switching between natural light and auxiliary light modes through a detachable structure, adapting to different lighting conditions and enabling all-day operation; the rotating heat storage layer and mirrored inner wall ensure uniform illumination, and the liquid metal ensures efficient heat transfer, thereby significantly improving the energy storage and release efficiency of the molecular light-switching material and the system's controllability.

The invention provides a multi-array-plane device at the top of an aircraft fuselage and a cooperative working method of multiple array planes, the multi-array-plane device comprises an in-cabin assembly and an out-cabin assembly, the bottom of the out-cabin assembly is fixedly connected with the in-cabin assembly, and the in-cabin assembly is used for transmitting a load generated by the out-cabin assembly to a fuselage skin, a reinforcing base plate, a stringer, a floor cross beam and a floor lower frame edge of an aircraft; the outboard assembly comprises an outboard framework supporting element and an array plane fairing assembly; the outboard framework supporting element comprises an outboard lower end butt joint reinforcing piece, and the bottom of the outboard framework supporting element is fixed to a fuselage skin and a frame edge at the top of an aircraft fuselage through the outboard lower end butt joint reinforcing piece; the array plane fairing assembly is fixed to the outboard framework supporting element and used for generating and receiving electromagnetic waves used for executing reconnaissance, recognition, searching and monitoring tasks. Through the multi-array-plane device, the limitation of an array-plane wave beam emission angle is solved, array-plane multi-direction radiation and receiving are realized, and the comprehensive use performance of an airplane is improved.

The invention discloses a linkage control method, device, equipment and system for a smoke purifier, and the method comprises the steps: S100, monitoring the working power of external equipment through a power detection circuit, and enabling the power detection circuit to be in lap joint with a power interface of the external equipment through an adapter; s200, comparing the working power with a preset power threshold value, wherein the preset power threshold value represents the power of the external equipment entering the working state; s300, when the working power exceeds a preset power threshold value, generating an effective level trigger signal; and step S400, sending the high level trigger signal to a smoke purifier host through an audio transmission line, so that the smoke purifier host starts a fan to perform smoke purification operation in response to the effective level trigger signal. Smoke purification linkage control which is low in cost and wide in compatibility with the third-party equipment is achieved under the condition that the smoke purifier and the third-party equipment are not damaged.

A neural network graph partitioning system and method are disclosed. The graph partitioning system is used to partition a neural network graph into a series of subgraphs and allows multiple subgraphs to be executed in available hardware subsystems. The system estimates the computation time and memory bandwidth of the partitioned subgraphs based on a cost function. The graph partitioning system is a hardware cycle estimation model that can be run quickly and implements parameterization of memory latency. The graph partitioning system supports heterogeneous partitioning for different types of accelerators, such as central processing units, graphics processing units, application specific integrated circuits, etc. A method of partitioning a neural network graph into a series of subgraphs is also disclosed.

The utility model relates to concrete strength test technical field, concretely is a kind of concrete strength field tester, including bottom plate, the bottom plate top is provided with locking mechanism, the locking mechanism includes sliding cylinder, the sliding groove is established in sliding cylinder inboard, the sliding groove is fixedly installed with sliding rod, the sliding rod outside is equipped with contraction spring, the sliding rod upper side is located in the movable mounting of contraction spring top end with connecting rod, the connecting rod front end is fixedly installed with the clamping plate, the clamping plate middle is established with the clamping slot, the clamping slot is provided with test mechanism, the utility model increases supporting surface by bottom plate and makes the stable sliding of clamping plate, so that when carrying out strength test, can make the resilient structure keep stable pressure state, avoid the inaccuracy caused by inclination when pressing, and the locking mechanism and test structure are separate structure, so it can be freely selected according to use environment when using, avoid being limited by environment.

The invention provides a magnetic detection method and device, and the method comprises the steps: S1, installing a to-be-detected sample in a sample cup, and fixing the sample cup on a sample rod and detection equipment; s2, starting the vibration of the sample rod, adjusting the four-dimensional space position of the sample based on the target detection magnetic characteristics of the to-be-detected sample, the four-dimensional space position movement capability of the sample rod and the coil structure and magnetic field distribution direction of the detection equipment, observing the change of the magnetic signal, and determining the target detection position; s3, positioning a to-be-detected sample at a target detection position, and performing magnetic curve detection on the to-be-detected sample to obtain a target position magnetic detection curve; s4, based on the target position magnetic detection curve, directly extracting target detection magnetic features; or a correction factor is obtained through calculation based on the target position magnetic detection curve, and after the correction factor is used for correcting the magnetic detection curve collected at the non-target detection position, the target detection magnetic characteristics are extracted. Therefore, the measurement accuracy can be improved, and the method can adapt to various application scenes.

The invention discloses a supporting frame for computer hardware teaching demonstration, and relates to the field of teaching supporting frames, the supporting frame comprises a supporting seat and a supporting cylinder arranged in the supporting seat, the supporting cylinder is slidably provided with a bearing box, the bearing box is internally provided with an upper layer cavity and a lower layer cavity, and the upper layer cavity is internally provided with a placing box; a placing plate is arranged in the lower-layer cavity, a control assembly is arranged in the supporting cylinder, a handle is fixedly arranged on the supporting cylinder, a first unfolding assembly is arranged in the handle and the upper-layer cavity, and a second unfolding assembly is arranged in the lower-layer cavity. During demonstration, the bearing box ascends, the placement box and the placement plate are unfolded to form a three-dimensional display space, the space utilization rate is maximized, the placement plate is in an inclined state, students in the back row can easily and clearly see the whole view and layout of the plate surface, the problem that the sight is blocked during static flat placement is solved, and the teaching efficiency of teachers is improved.

This invention relates to the field of automatic control technology, and in particular to a method and system for asymmetric preset performance control of a cascade continuous stirred reactor without initial conditions. The method includes establishing a mechanistic model of the cascade continuous stirred reactor, transforming it into an error equation for the cascade continuous stirred reactor, pre-specifying that the change in reactant concentration error at the output of the cascade continuous stirred reactor satisfies a banded constraint space, converting the banded constraint space into a symmetric constraint space, constructing a radical-type algebraic saturation function to map the symmetric constraint space into a bounded symmetric constraint space, superimposing an exponential finite-time decay function on the bounded symmetric constraint space to construct a bounded symmetric constraint space without initial conditions, constructing a barrier Lyapunov function based on the bounded symmetric constraint space without initial conditions, and designing an asymmetric preset performance controller without initial conditions using the backstepping method. This invention enables the stable, safe, and rapid operation of the cascade continuous stirred reactor.

A laser cutting conveying line belongs to the technical field of conveying devices, is used for conveying plate cutting, and comprises a frame, a waste conveying system, a positioning air cylinder, a conveying assembly, a guide assembly and a blocking assembly, and the waste conveying system is arranged in an inner cavity of the frame and used for conveying plate waste; the multiple positioning air cylinders are arranged above the frame in the front-back direction and used for restraining and guiding the plates in the front-back direction. According to the laser cutting device, the side edge constraint guiding system is matched with the end limiting structure, three-dimensional positioning control can be carried out on a plate, a track is corrected in real time, positioning errors are avoided, the cutting precision is improved, and efficient and stable operation of laser cutting operation is guaranteed; according to the automatic waste collecting and conveying system, waste generated by laser cutting of the plates is automatically conveyed, centralized treatment of the waste is achieved, the equipment cleaning and maintaining period is greatly shortened, and the links of plate conveying, cutting, waste collecting and the like are effectively integrated.

The application discloses a kind of non-contact high-temperature superconducting tape critical current uniformity continuous nondestructive testing device and method, applied to superconducting material detection field, comprising: excitation magnet, for producing background magnetic field, excitation high-temperature superconducting tape generates magnetization current;Measuring probe, by magnetic circuit core, fluxgate sensor, copper band compensation loop is formed;Fluxgate sensor and copper band compensation loop are connected with control and measurement circuit respectively by fluxgate power supply acquisition line and copper band compensation loop power supply line;Control and measurement circuit, for when fluxgate sensor detects that net residual magnetic flux in magnetic circuit core is not 0, PID control is implemented by closed loop negative feedback, in copper band compensation loop, the magnetic flux that is equal to high-temperature superconducting tape, opposite, and according to current in copper band compensation loop when net residual magnetic flux is 0, calculate critical current.The application realizes the fast, accurate measurement of high-temperature superconducting tape critical current uniformity without depending on Hall sensor and without calibration inverse calculation.

This invention relates to a hot press head and hot press equipment, belonging to the technical field of hot press equipment. It includes a base, a heat insulation block, a heating element, a support member, a first heat dissipation hole, and a pipe connector. The heat insulation block is disposed on the base, and the heating element is disposed on the side of the heat insulation block facing away from the heating element. The support member is disposed between the heating element and the heat insulation block, supporting the heating element on the heat insulation block. The gap between the heating element and the heat insulation block forms a heat dissipation cavity. The first heat dissipation hole is disposed on the heat insulation block, with one end communicating with the heat dissipation cavity. The pipe connector is disposed on the heat insulation block or the base, for sequentially delivering heat dissipation airflow to the first heat dissipation hole and the heat dissipation cavity. This invention significantly reduces the direct contact area between the heating element and the heat insulation block, reduces heat conduction, increases the heating rate of the heating element, and significantly improves heat dissipation efficiency and uniformity.

The invention provides an AIE fluorescent probe-oriented multi-index weighted scoring screening method and system. The method comprises the following steps: acquiring data such as a probe molecular structure and an experimental environment, and preprocessing the data to obtain a feature data set; for thermal stability, light stability, Stokes shift and AIE enhancement factors, optimal molecular descriptors and dichotomy prediction models are selected respectively; inputting a to-be-evaluated probe into the target model to obtain a prediction result, and calculating a synthetic accessibility score; combining the prediction result with the standardized synthetic accessibility score to form index data; the weight of each index is determined through mixed data factor analysis, and a comprehensive score is calculated to realize probe sorting and screening. According to the method, efficient screening of the AIE probe can be realized, the trial and error cost is reduced, and the scoring stability and applicability are enhanced.

The utility model provides a shower head with water stop and spray gun water functions, and relates to the technical field of bathroom products, the shower head comprises a shower head body, a first switch mechanism and a second switch mechanism, the shower head body is provided with a water inlet flow channel, a shower head water cavity and a spray gun water cavity, the shower head water cavity is communicated with a water outlet assembly, and the spray gun water cavity is communicated with a spray gun water outlet nozzle; the first switching mechanism comprises a switching valve, and the switching valve enables the water inlet flow channel to be switched between communication with the shower head water cavity and communication with the spray gun water cavity. The second switch mechanism comprises a water distribution piece arranged in the water distribution cavity and a push button linked with the water distribution piece, the water distribution cavity is communicated with the shower head water cavity, the water outlet end of the water distribution cavity is provided with a water stop hole and a plurality of water outlet holes, the water outlet holes are communicated with water outlet water channels on the water outlet assembly in a one-to-one correspondence mode, and the push button is pushed to drive the water distribution piece to rotate. And the water distribution port on the water distribution piece is aligned and communicated with the water stop hole or the water outlet hole. Therefore, the problems that an existing multifunctional shower head is complex in structure and multiple in switch piece are solved.

This invention proposes a method for denoising vibration signals from structural health monitoring based on a hybrid neural network. This method, implemented according to embodiments of the invention, eliminates the need for prior signal knowledge and manual parameter settings. It effectively removes various noise types from structural health monitoring vibration signals, significantly improves the signal-to-noise ratio, and reduces the root mean square error, achieving efficient and automated noise reduction of vibration signals.

The present application belongs to the field of fish sex determination system identification, and discloses a molecular marker primer pair for identifying the sex determination system of homologous tetraploid crucian carp, a kit and application. The molecular marker primer pair can not be limited by the growth stage of the homologous tetraploid crucian carp, saves time cost, overcomes the limitation of low evolution degree of sex chromosomes of the homologous tetraploid crucian carp, and also provides a new technical means for determining the sex determination system of fish. The molecular marker primer pair, the kit and the application method are low in cost, simple in operation, rapid, accurate, and can be applied to identifying the sex determination system of homologous tetraploid crucian carp, providing a more convenient method for determining the sex determination system of homologous tetraploid crucian carp. Meanwhile, the molecular marker primer pair can also be used for identifying the sex of the androgenetic offspring of the homologous tetraploid crucian carp.

The present application relates to the field of bending forming of elbow pipe, in particular to an elbow pipe forming core mold and its using method, a cold bending forming device and method, the upper core mold assembly of the elbow pipe section includes upper upper core mold and upper middle core mold, the upper upper core mold adopts the same austenitic stainless steel material as the pipe blank, the upper middle core mold adopts the material which is greater than or equal to 50HB in hardness than the upper upper core mold, the upper upper core mold is used to fit the inner abdominal side inner surface of the elbow pipe section of the pipe blank, the upper upper core mold and the upper middle core mold are connected.The upper core mold assembly of the elbow pipe section of the present application innovatively includes two parts of the upper upper core mold and the upper middle core mold, the upper middle core mold is harder than the upper upper core mold, and is not easy to deform during bending forming, the upper upper core mold adopts the same material as the pipe blank, and the deformation capacity is the same as the pipe blank, the upper upper core mold deforms with the pipe blank during bending forming, the inner abdominal side inner surface of the inner hole of the pipe blank is smoothly transitioned after bending forming, and excessive polishing is not needed, the pipe blank cold bending forming process of nuclear power stainless steel pipeline is optimized, and the efficiency and quality are improved.

An experimental miniature pig farrowing crate includes a farrowing crate, a slatted floor, a fixed enclosure, a feeding trough, a ramp, a movable enclosure, a fixing frame, and locking rods. The ramp is connected to the front of the farrowing crate, which has a storage cavity inside. A discharge pipe is located at the rear of the farrowing crate and communicates with the storage cavity. The discharge pipe is connected to a nut via a threaded connection. The fixed enclosure is connected to the upper part of the farrowing crate. The front of the fixed enclosure is connected to a main enclosure door via a shaft, and the sides of the fixed enclosure are connected to secondary enclosure doors via shafts. The fixed enclosure is connected to the feeding trough, which is connected to the farrowing crate. The feeding trough has a water trough and a feed trough. A sow activity area is located in the middle of the farrowing crate, and piglet activity areas are located on both sides of the farrowing crate. The farrowing crate has an installation groove that is adapted to the slatted floor and is connected to the slatted floor.

The application discloses a kind of equal-pressure injection type planting seed launching method based on constant pressure air source, bullet-shaped structure's projectile is made by mixing plant seed and nutrient medium and is launched into bank slope soil body using air pressure, and its characterized in that, a stable pressure air source is used to supply gas for launching chamber, and the interval type continuous ejection of seed projectile is realized by the continuous on-off cycle control of gas supply;And be realized by a kind of river bank slope seed planting ship with constant pressure air source device.The application can complete the planting and greening of river bank slope by launching the projectile containing plant seed, has the advantages of better seed launching stability, more easily controlled launching rate, longer service life, can overcome the limitation of river bank steep slope, complete revetment plant seed planting, reduce the risk of manual operation, better realize river bank slope greening.

The utility model relates to the technical field of electrolytic cell assembly, concretely to a horizontal type assembly device of electrolytic cell, including end pressing plate and chassis mechanism, the surface of chassis mechanism is provided with end pressing plate, the surface of chassis mechanism is installed with two group polar plate support mechanism, the outside of end pressing plate is installed with end polar plate, the inside surface of end pressing plate is provided with polar plate subassembly, the outside of end polar plate is provided with end hook mechanism, the outside of polar plate subassembly is provided with intermediate hook mechanism. The utility model uses assembly device to assemble electrolytic cell, reduces assembly lifting and overturning equipment, solves the limitation of demand factory building height of electrolytic cell assembly, and does not need the overturning action of original assembly mode of electrolytic cell, improves production process safety, through end plate cushion block, polar plate cushion block, polar plate support mechanism and bolt support block combination use, can guarantee polar plate outer edge consistency good, to improve product quality.

This invention relates to a doped yttrium oxide flake powder, its preparation method, and its applications. The method uses 0.2-0.4 M Y(NO₃)₂. 3 ) 3 ·6H 2 O solution as Y 3+ Source, then add MgCl to the solution 2 and Al(NO 3 ) 3 ·9H 2 O was used as a dopant. After adjusting the pH of the mixed solution to 8-10, a hydrothermal reaction was carried out at 170-200°C for 9-15 hours to achieve uniform distribution of the dopant in the yttrium oxide lattice. Finally, the powder was calcined at 600-700°C for 3-5 hours to improve the structural stability and properties of the material. The synthesized doped yttrium oxide powder had a plate-like morphology with a particle size between 5-25 micrometers, and the final product composition included Y. 2 O 3 MgAl 2 O 4 And Y-Al-O compounds. Compared with traditional physical doping methods, the preparation method of this invention not only achieves a more uniform doping effect, but also shows significant advantages in terms of energy consumption, cost, and particle size control. The doped yttrium oxide obtained by this method has performance superior to or equivalent to high-purity yttrium oxide, providing a new avenue for the further application and development of yttrium oxide.

This invention belongs to the field of chemical production technology, specifically disclosing a method for preparing high-purity silica, comprising the following steps: S1, grinding: crushing and grinding minerals or waste containing silica or silicates; S2, leaching: mixing with a leaching agent in a certain proportion to carry out a leaching reaction, followed by solid-liquid separation to obtain a fluoride ion complex solution containing fluorosilicic acid; S3, extraction: separating fluorosilicic acid from fluoride ion complex impurities using an extraction method to obtain a high-purity fluorosilicic acid or fluorosilicate solution; S4, pH adjustment: performing a metathesis reaction by adjusting the pH, followed by solid-liquid separation to obtain solid silica and soluble fluorides; S5, obtaining high-purity silica. This invention, employing the above-mentioned method for preparing high-purity silica, is applicable to most silicon-containing raw materials, effectively reducing the impurity content in silicon slag, and preparing high-purity silica with a purity of up to 99.99%.

The utility model relates to a combined structure of a water-cooling row and a fan. The combined structure comprises the water-cooling row and an axial flow fan set. The water-cooling row comprises a frame shell, a plurality of water-cooling pipes and a plurality of water-cooling fins, wherein the water-cooling pipes and the water-cooling fins are combined in the frame shell. And the plurality of water cooling fins are arranged among the plurality of water cooling pipes at intervals. The axial flow fan group comprises an axial flow impeller and a bearing seat combined with the axial flow impeller, and the bearing seat is positioned in the frame shell and is adjacent to at least one water cooling pipe; therefore, the efficiency of the fan and the heat dissipation efficiency of the water-cooling bar are improved.

This utility model discloses a solder mask opening structure for surface mount components, relating to the field of printed circuit board design technology. The solder mask opening structure for surface mount components includes a printed circuit board, which comprises a solder mask layer and a metal layer. A solder mask opening is provided on the solder mask layer. The metal layer is connected to the solder mask layer, and a first pad and a second pad are provided on the side of the metal layer facing the solder mask layer. The technical solution of this utility model fully considers the characteristics of small pad spacing and tiny solder shoulder size of 01005 surface mount components. By eliminating the solder mask bridge between the first and second pads, the first and second pads are fully exposed within the solder mask opening. Furthermore, by controlling the reasonable gap between the outer walls of the first and second pads and the inner wall of the solder mask opening, the solder paste printing and soldering process is optimized, fundamentally solving common problems such as solder balls, tombstoning, and cold solder joints in the SMT soldering process of 01005 surface mount components.

The invention discloses a battery thermal management control method, device and equipment and a storage medium, relates to the technical field of battery thermal management, and discloses a battery thermal management control method which comprises the following steps: acquiring vehicle navigation information, vehicle speed information, environment temperature, battery charge state and battery temperature information; determining a vehicle power utilization scene according to the vehicle-mounted navigation information, the vehicle speed information and the battery charge state; when the vehicle power consumption scene is a fast charging power consumption scene, determining a preset thermal management strategy as a current thermal management control strategy; when the vehicle power consumption scene is a slow charging power consumption scene, determining a current thermal management control strategy according to vehicle-mounted navigation information, vehicle speed information, environment temperature and battery temperature information; and completing battery thermal management control according to the battery temperature information and the current thermal management control strategy. According to the scheme, the effect of improving the charging efficiency can be achieved while the battery use requirements in different scenes are met.

This invention discloses a visual inspection system and method for transformer tank panels in new energy applications, belonging to the field of transformer tank manufacturing and inspection technology. The system includes a flexible steady-state clamping and conveying mechanism, a transient pulse excitation mechanism, a high-frequency multimodal visual acquisition mechanism, and a data processing and spatiotemporal response judgment module. By applying a controlled transient thermal pulse to the area to be inspected and simultaneously acquiring static three-dimensional reference surfaces and dynamic three-dimensional response surface sequences, spatial registration and differential processing are performed to obtain a transient out-of-plane displacement field. Welding defects are then identified based on preset spatiotemporal continuity anomaly judgment conditions, and the system combines two-dimensional surface texture images to classify and identify internal latent defects and surface penetration defects. This invention is suitable for online inspection of transformer tank panels.

The utility model discloses a kind of connecting structure for diesel engine main shaft and flywheel, including flywheel, the flywheel side wall is provided with mounting disc, the mounting disc is fixedly installed with main shaft away from flywheel side, when installing flywheel and main shaft, the mounting hole of flywheel inside is set with the screw sleeve of mounting disc side wall fixed installation, again the nut is threaded with screw sleeve, so that nut and screw can be stably set, nut anti-loosening treatment is needed, rotating connecting plate, so that it drives pressure frame and screw outer wall sleeve, and nut is pressed, at this time rotating threaded rod, since the outer wall of stop block and vertical plate are slidably arranged, and threaded rod end and stop block are rotatably connected, under its limitation, rotating threaded rod can push stop block, stop block and connecting plate outer wall slide, connecting plate is limited, avoid connecting plate rotation, under the restriction of pressure frame, nut anti-loosening treatment can be carried out, so that main shaft and flywheel can be stably installed.